Knowledge base dedicated to Linux and applied mathematics.
Home > Latex > FAQ > Latex - FAQ > Latex backslash symbol
Latex how to write backslash in Latex with or without amssymb : backslash , setminus, smallsetminus
To write backslash symbol in LateX, you must use \backslash or \setminus command:
$$
a\backslash b \\
A\setminus B
$$
which gives:
$$ a\backslash b \\ A\setminus B $$
To write backslash symbol in LateX using package amssymb you must use \smallsetminus command:
$$
\documentclass{article}
\usepackage{amssymb}
\begin{document}
$$A \smallsetminus B$$
\end{document}
$$A \smallsetminus B$$